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WHUT (Howard University Television) 2
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Dec 6, 2012 8:00am PST
they call it neptunium? you know what the first planet was they discovered in terms of newton's laws? neptune, gang. neptune. so they call this neptunium. first element beyond uranium and that's neptunium 239. it's got a very, very short half-life. and you know what it does? it decays. and guess what it emits? begins with a b. no, not alpha. try it again. it emits a beta particle. okay. it emits a beta particle. and what does it turn into? how many people can figure out what the number is here that couldn't do it before but maybe now can? show of hands. four people. wonderful. now, how many? what is it gonna be, gang? it's 94. 94, 94. what is the second planet that we named after discovering by newton's laws? it wasn't neptune, it was what? - pluto. - pluto. guess what we'd be calling this, gang? plutonium. plutonium. pu239. and you know what plutonium will do? plutonium as well as uranium 235 will undergo fission when a neutron taps it. and so this is used for power production. u235, used for power production. historically, when the bombs were dropped back in world war ii, the bomb
Dec 5, 2012 6:00pm EST
are in accordance with israeli law. if anyone wants to investigate further, they can go to the bush letter and see on the changes in the territory which the u.s. president spoke of. >> the white house is denying iran's claim of having captured a u.s. drone in iranian airspace. iran says that they captured a scaneagle aircraft conducting surveillance. speaking at the white house, press secretary jay carney rejected those claims. >> we have no evidence that the iranian claims you cite are true. i would refer you to the pentagon's comments this morning on the details of this particular type of uav, but again, we have no evidence that those claims are true. >> protests are continuing in mexico in the aftermath of clashes between police and citizens after it the inauguration of president and ricky pena nieto. activists have accused mexican police of using infiltrators to carry out vandalism and other acts of sabotage. in mexico city, hundreds of people marched through the streets to call for the release of jailed protesters and to denounce police infiltration. >> all this vandalism was caused by infilt
Dec 6, 2012 6:00pm EST
to be considering. washington state put into effect two news laws today with major national significance. as of midnight, possession of up to 1 ounce of marijuana is now legal in washington state, following the approval of a state ballot initiative last month. in enacting the measure, washington is the first state to decriminalize recreational marijuana use and the first to do so anywhere by popular vote. meanwhile, same-sex marriage is also now legal in washington as of midnight after also having been approved by voters on election day one month ago. those are some of the headlines. this is democracy now!,, the war and peace report. i'm amy goodman. we are broadcasting from doha, qatar, but we begin in egypt, where six people are dead and hundreds are wounded following overnight clashes between opponents and supporters of mohamed mursi. tanks were deployed over the presidential palace today amidst ongoing scuffles. the violence marks the culmination of two weeks of protest after president morsi issued a decree granting themselves sweeping and unchecked powers last month
Dec 5, 2012 8:00am PST
postulate: all the laws of physics will be seen to be the same in uniformly moving reference frames. this is moving uniformly with respect to this. in fact, einstein said, it makes no difference whether this is at rest and this is moving or this is at rest and this is moving away. motion really is relative. it's a relative motion between the planet and the ship. so, let me ask you a question. these six minute flashes that the ship really is sending-- really is sending the six, we agreed on that before-- these six minute flashes are gonna be seen how long apart by that person back here, who's now looking, who puts the telescope up and takes a look? check your neighbor. what's the answer, gang? - 12. - 12. you see that. i mean if 6 is seen as 12, then 6 will be seen as 12. so we can complete this diagram up here and say this. we have another planet here. a person watching these flashes, okay? what happens? really the flashes are like this, okay? they're all scrunched up in here and all dragged out here. and so, six minutes will be seen three for approach, but for a recession, 12 minut
Search Results 0 to 3 of about 4